linux-kernel - [PATCH v4 2/5] dt-bindings: gps: add w2sg00x4 bindings documentation (GPS module with UART))

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Message-Id: <ac1a3eb2a1afa17a462e1300bee6dee249bcb7b1.1510781876.git.hns@goldelico.com>
Date:   Wed, 15 Nov 2017 22:37:54 +0100
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Russell King <linux@...linux.org.uk>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "H. Nikolaus Schaller" <hns@...delico.com>,
        Kevin Hilman <khilman@...libre.com>,
        Andreas Färber <afaerber@...e.de>,
        Thierry Reding <treding@...dia.com>,
        Jonathan Cameron <jic23@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, letux-kernel@...nphoenux.org,
        kernel@...a-handheld.com, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v4 2/5] dt-bindings: gps: add w2sg00x4 bindings documentation (GPS module with UART))

add bindings documentation for Wi2Wi W2SG00x4 GPS module.

Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
Acked-by: Rob Herring <robh@...nel.org>
---
 .../devicetree/bindings/gps/wi2wi,w2sg0004.txt     | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gps/wi2wi,w2sg0004.txt

diff --git a/Documentation/devicetree/bindings/gps/wi2wi,w2sg0004.txt b/Documentation/devicetree/bindings/gps/wi2wi,w2sg0004.txt
new file mode 100644
index 000000000000..bcf307382afb
--- /dev/null
+++ b/Documentation/devicetree/bindings/gps/wi2wi,w2sg0004.txt
@@ -0,0 +1,24 @@
+Wi2Wi GPS module connected through UART
+
+Should be a subnode of the SoC UART it is connected to.
+
+Required properties:
+- compatible:	should be one of (depending on precise model)
+	"wi2wi,w2sg0004"
+	"wi2wi,w2sg0084"
+- enable-gpio:	the GPIO that controls the module's power toggle
+	input. A positive impulse of sufficent length toggles the
+	power state.
+
+Optional properties:
+- lna-supply:	an (optional) LNA regulator that is enabled together with the GPS receiver
+
+Example:
+
+&uart2 {
+	w2sg0004: gps {
+		compatible = "wi2wi,w2sg0004";
+		lna-supply = <&vsim>;   /* LNA regulator */
+		enable-gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>;    /* GPIO_145: trigger for turning on/off w2sg0004 */
+        };
+};
-- 
2.12.2